Bundle a data frame with a sample frame

Bundle a data frame with a sample frame

Usage

as_panel(data, sfw = NULL)

is_panel(data)

Arguments

data

A data frame, or an existing panel (returned unchanged).

sfw

An optional create_sfw() sample frame; a fresh empty frame is created when NULL.

Value

A panel object: a list of data, sfw, and a label-freshness flag.

See also

sample_frame(), manifest().